Esboce o gráfico de cada uma das funções reais dadas pelas leis seguintes: a) y=x^2 b) y=2x^2 c) y= -x^2

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )